Home / 7,841.16-11,765.70-3,458.16

Finding the Fourth Proportional to 7,841.16, 11,765.70 and 3,458.16

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Solution

The fourth proportional to 7,841.16, 11,765.70 and 3,458.16 is: 5,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.16 : 11,765.70 = 3,458.16 : x
  2. Step 2: Convert to fraction form
    7,841.16/11,765.70 = 3,458.16/x
  3. Step 3: Cross multiply
    7,841.16x = 11,765.70 × 3,458.16
  4. Step 4: Simplify right side
    7,841.16x = 40,687,673.11
  5. Step 5: Solve for x
    x = 40,687,673.11/7,841.16
  6. Step 6: Final answer
    x = 5,188.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.